The Atmosphere
What is the atmosphere made of?
Gases like nitrogen, oxygen, etc.
Name one thing you can do to save water
Take shorter showers
Turn off the taps
Use devices that are more efficient
What is pollution?
Anything that makes the Earth dirty and unhealthy
What process changes water into vapor?
Evaporation
What happens if the Earth gets too warm?
Ice caps melt ;
sea levels rise;
habitats are destroyed
What is the layer of the atmosphere closest to the Earth?
Troposphere
What percentage of Earth's surface is covered by water?
71%
Name one natural cause of atmospheric pollution
Volcanic eruptions or forest fires
What is condensation?
When water vapor cools and turns into liquid
Name the layer of the atmosphere where weather happens
Troposphere
Where is the Ozone layer found?
The stratosphere
What is the difference between saltwater and freshwater?
Saltwater contains salts; freshwater does not
How can air pollution affect human health?
It causes breathing problems, asthma, and eye irritation
What gives the water cycle energy?
The Sun
What happens in the mesosphere?
Meteors burn up, creating shooting stars
What does the Ozone layer protect us from?
Ultraviolet radiation from the sun
What is groundwater?
Water stored underground in soil and rocks
What are the effects of plastic pollution in oceans?
Animals eat plastic, which can kill them;
microplastics harm ecosystems ;
animals get stuck in plastics
What happens during precipitation?
Water falls from clouds as rain, snow, or hail
Why is the greenhouse effect important?
It keeps the Earth hot enough for life to exist
Why is the Earth getting hotter?
more greenhouse gases in the atmosphere because of pollution - more heat is trapped inside the atmosphere
What are 'dead zones'?
Lots of nutrients like nitrogen and phosphorus from fertilizers cause algae to grow rapidly, reducing oxygen levels in water and killing aquatic life
What are microplastics?
Small pieces of plastic that harm animals and can enter humans
What is collection?
Water collects in rivers, lakes, oceans, or as groundwater
Why is the Ozone layer getting thinner?
Chemicals/pollutants go up into the air and destroy the ozone